uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/tools/cosmoc/default.nix

@@ -0,0 +1,40 @@
+{ stdenv, lib, cosmopolitan }:
+
+stdenv.mkDerivation {
+  pname = "cosmoc";
+  inherit (cosmopolitan) version;
+
+  doInstallCheck = true;
+  dontUnpack = true;
+  dontBuild = true;
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/bin
+    cat <<EOF >$out/bin/cosmoc
+    #!${stdenv.shell}
+    exec ${stdenv.cc}/bin/${stdenv.cc.targetPrefix}gcc \
+      -O -static -nostdlib -nostdinc -fno-pie -no-pie -mno-red-zone \
+      "\$@" \
+      -Wl,--gc-sections -Wl,-z,max-page-size=0x1000 \
+      -fuse-ld=bfd -Wl,-T,${cosmopolitan}/lib/ape.lds \
+      -include ${cosmopolitan}/include/cosmopolitan.h \
+      ${cosmopolitan}/lib/{crt.o,ape.o,cosmopolitan.a}
+    EOF
+    chmod +x $out/bin/cosmoc
+    runHook postInstall
+  '';
+
+  installCheckPhase = ''
+    printf 'main() { printf("hello world\\n"); }\n' >hello.c
+    $out/bin/cosmoc hello.c
+    ./a.out
+  '';
+
+  meta = with lib; {
+    homepage = "https://justine.lol/cosmopolitan/";
+    description = "compiler for Cosmopolitan C programs";
+    license = licenses.mit;
+    maintainers = teams.cosmopolitan.members;
+  };
+}